Question: When did Wuppertal have a population of 345,425?
Paraphrase: What year was Wuppertal's population reach 345,425?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q2107 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '345425.0')) . ?s pq:P585 ?value}